The average bus between Chatou and Cergy takes 1h 35m and the fastest bus takes 51 min. There is a bus service every few hours from Chatou to Cergy. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Buses run every 2 hours between Chatou and Cergy. The earliest departure is at 6:04 AM in the morning, and the last departure from Chatou is at 9:34 PM which arrives into Cergy at 5:49 AM. All services require a transfer, and take on average 1h 35m. The schedules shown below are for the next available departures.

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1h 5m • 1 changeWant to know about travelling from Chatou to Cergy? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct bus from Chatou to Cergy. However, there are services departing from Chatou station and arriving at Cergy station via Gare de Saint-Germain-en-Laye - Rue Thiers. The journey, including transfers, takes approximately 1h 35m.
Chatou to Cergy bus services, operated by Argenteuil - Boucles de Seine, depart from Mairie station.
Chatou to Cergy bus services, operated by Argenteuil - Boucles de Seine, arrive at Gare de Cergy Préfecture - Quai O station.
The distance between Chatou and Cergy is 17.4 km. The road distance is 26 km.
You can take a bus from Mairie to Gare de Cergy Préfecture - Quai O via Gare de Saint-Germain-en-Laye - Rue Thiers in around 1h 23m.